--with-geometry and
--with-embedded-privilege-control
configure switches added


acconfig.h:
  necessary lines added
myisam/mi_open.c:
  #include added
mysql-test/t/gis-rtree.test:
  test modified to take HAVE_GEOMETRY in account
mysql-test/t/gis.test:
  test modified to take HAVE_GEOMETRY in account
sql/mysql_priv.h:
  option's variables added
sql/mysqld.cc:
  option's handling added
sql/set_var.cc:
  option's descriptions added